Question

We can get the smell of perfume sitting several metres away​

Answer 1

The Particles of Gases have high kinetic energy which causes them to move around and mix in air quite far which is why we gets smell of perfume sitting several meters away.

Answer 2

Answer:

Perfumes are" Volatile "

That's why they vaporise at room temperature cuz they contain 60-70% Alcohol in it...

and also bcz of high kinetic energy, bcz you know, vapour is gas, so high k. E.

(This answer is totally not copied, I've told you what I've learnt few days ago..!! )